Quarter	US dollars
2004-12-31	1133
2005-03-31	737
2005-06-30	39
2005-09-30	32
2005-12-31	26
2006-03-31	59
2006-06-30	261
2006-09-30	192
2006-12-31	94
2007-03-31	357
2007-06-30	437
2007-09-30	705
2007-12-31	852
2008-03-31	1332
2008-06-30	969
2008-09-30	879
2008-12-31	670
2009-03-31	566
2009-06-30	842
2009-09-30	899
2009-12-31	677
2010-03-31	1133
2010-06-30	1590
2010-09-30	1040
2010-12-31	1489
2011-03-31	2172
2011-06-30	2752
2011-09-30	2483
2011-12-31	2308
2012-03-31	1565
2012-06-30	1758
2012-09-30	2151
2012-12-31	2230
2013-03-31	2329
2013-06-30	3622
2013-09-30	3734
2013-12-31	3311
2014-03-31	2708
2014-06-30	2807
2014-09-30	2523
2014-12-31	2410
2015-03-31	2295
2015-06-30	1571
2015-09-30	1362
2015-12-31	1231
2016-03-31	1109
2016-06-30	1223
2016-09-30	576
2016-12-31	217
2017-03-31	218
2017-06-30	607
2017-09-30	734
2017-12-31	509
2018-03-31	486
2018-06-30	403
2018-09-30	276
2018-12-31	498
2019-03-31	485
2019-06-30	647
2019-09-30	743
2019-12-31	794
2020-03-31	848
2020-06-30	1062
2020-09-30	812
2020-12-31	822
2021-03-31	1080
2021-06-30	971
2021-09-30	1196
2021-12-31	1039
2022-03-31	941
2022-06-30	880
2022-09-30	915
2022-12-31	894
2023-03-31	1136
2023-06-30	1380
2023-09-30	1038